<html>

<head>
    <meta charset="utf-8">
    <link href="https://cdn.bootcdn.net/ajax/libs/mdui/1.0.2/css/mdui.min.css" rel="stylesheet">
</head>

<body>
    <div calss="mdui-container">
        <div>
            <a href='/put'>投放垃圾</a>
        </div>
        <div>
            <a href='/show'>分拣垃圾</a>
        </div>
    </div>
</body>

</html>
